High-strength steel blind-hole part strengthening quenching and cooling device

Abstract

The utility model relates to a kind of high-strength steel blind hole piece strengthening quenching cooling device, including base, liquid supply device being fixed on base, with the liquid supply device intercommunication liquid supply pipeline, center lance being vertically installed on liquid supply pipeline horizontal main pipe, with the liquid supply device through metal hose connection spray liquid device and the electrical control cabinet of connection liquid supply device to realize the adjustment liquid supply device liquid supply amount and liquid supply pressure, frequency converter and circuit breaker are installed in electrical control cabinet;It can be simultaneously strongly sprayed quenching cooling to high-strength steel blind hole piece inner hole and outer surface, improve high-strength steel blind hole piece inner hole and outer surface cooling intensity, improve high-strength steel blind hole piece performance, with easy dismounting, operation safety, economic reliable and the like characteristics.

Description

Technical Field

[0001] This utility model belongs to the field of heat treatment technology for high-strength steel blind hole parts. Specifically, it relates to a high-strength steel blind hole part strengthening quenching and cooling device that can simultaneously and powerfully spray quenching and cooling the inner hole and outer surface of the high-strength steel blind hole part, thereby improving the cooling intensity of the inner hole and outer surface of the high-strength steel blind hole part and improving the performance of the high-strength steel blind hole part. It has the characteristics of convenient disassembly and assembly, safe operation, economy and reliability. Background Technology

[0002] Currently, when producing high-strength steel blind hole parts, using existing water tanks and production processes, test results show that the performance indicators of the inner hole and outer surface of the high-strength steel blind hole parts are low and inconsistent, failing to meet technical requirements. It is necessary to design and manufacture a dedicated device that can simultaneously and forcefully spray-quench and cool the inner hole and outer surface of the high-strength steel blind hole parts, based on the actual site conditions, to improve the cooling intensity of the inner hole and outer surface and enhance the performance of the high-strength steel blind hole parts. There are no complete forming devices available on the market for this purpose. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of existing equipment and address the issue of low and inconsistent performance indicators of the inner hole and outer surface of high-strength steel blind hole parts. This invention provides a high-strength steel blind hole part strengthening quenching cooling device to improve the cooling intensity of the inner hole and outer surface of high-strength steel blind hole parts, thereby achieving the desired cooling effect.

[0004] The objective of this utility model is achieved through the following measures: A high-strength steel blind hole strengthening quenching and cooling device includes a base, a liquid supply device mounted and fixed on the base, a liquid supply pipe connected to the liquid supply device, a liquid spraying device mounted and fixed on the base, a metal hose connecting the liquid supply pipe and the liquid spraying device, and an electrical control cabinet connected to the liquid supply device to adjust the liquid supply volume and hydraulic pressure. Its features are: The liquid supply pipeline includes a flange, a reducer connected to the flange, an elbow connected to the reducer, a straight pipe connected to the elbow, a horizontal main liquid pipe connected to the straight pipe, two distribution risers connected to both ends of the horizontal main liquid pipe in the vertical direction, a central nozzle, load-bearing stiffeners and stainless steel guide devices installed and fixed on the central nozzle, and a guide nozzle installed at the head of the central nozzle; a steel plate is sealed at the upper end of the distribution risers, and multiple liquid outlets are opened along the height direction on each vertical distribution riser, with a quick connector welded to one end of a metal hose at each liquid outlet; the central nozzle has multiple layers of outward-facing, funnel-shaped spray holes on its pipe wall. The spraying device is a double-layer cylindrical structure, consisting of an annular bottom steel plate, an outer cylinder, an inner cylinder, and an annular top steel plate welded together. Multiple spray holes are formed on the inner cylinder, with the spray holes facing outwards in an angled trumpet-like shape. The outer cylinder is divided into multiple layers, each with two symmetrically distributed tangentially arranged inlets. A metal flexible hose is connected to each inlet. A guide device is welded to the top of the spraying device, and the guide device is composed of multiple irregularly shaped steel strips. Liquid is sprayed onto the outer surface of the high-strength steel blind hole component via a liquid supply device, liquid supply pipeline, metal hose, and spraying device; liquid is also sprayed onto the inner hole of the high-strength steel blind hole component via a liquid supply device, liquid supply pipeline, and central spray pipe; thus achieving simultaneous liquid spraying onto the inner hole and outer surface of the high-strength steel blind hole component to enhance cooling.

[0005] Furthermore, the base comprises a multi-layer frame structure welded from two layers of steel, three layers of steel, and steel plates. A liquid supply device is fixed on the steel plate in the first layer of the frame, a horizontal main pipe for the liquid supply pipeline is fixed on the two layers of steel in the second layer of the frame, and a spraying device and load-bearing stiffeners are fixed on the grid-shaped frame composed of three layers of steel in the third layer of the frame.

[0006] Furthermore, the central nozzle is vertically installed above the midpoint of the horizontal main pipe, and the straight pipe is vertically installed below the midpoint of the horizontal main pipe.

[0007] Furthermore, the stainless steel guide device consists of multiple stainless steel round bars, which are vertically welded to the outer wall of the central nozzle.

[0008] Furthermore, the guide nozzle has multiple spray holes extending outwards.

[0009] Furthermore, the load-bearing stiffener is welded to the lower part of the central nozzle and to the three-layer steel of the base.

[0010] Furthermore, the central nozzle and the liquid spraying device are installed concentrically, with the upper end of the central nozzle lower than the height of the liquid spraying device.

[0011] Furthermore, frequency converters and circuit breakers are installed inside the electrical control cabinet.

[0012] Compared with the prior art, the advantages of this utility model are as follows: 1. Turn on the power to the control cabinet. The liquid supply device will be powered on and supply quenching cooling liquid. The quenching cooling liquid will be sprayed out simultaneously through the central nozzle and the spray nozzle of the spraying device.

[0013] 2. The high-strength steel blind hole component heated to the quenching temperature is lifted into place by a hoisting device. In the vertical direction, the center of the high-strength steel blind hole component is aligned with the central nozzle. The high-strength steel blind hole component is lowered and falls into the guide nozzle and onto the load-bearing rib plate, so as to realize the simultaneous spraying of liquid to enhance cooling of the inner hole and outer surface of the high-strength steel blind hole component.

[0014] 3. Adjust the frequency setting of the frequency converter to regulate the liquid supply volume and pressure of the liquid supply device.

[0015] 4. Enables various quenching heat treatment processes for high-strength steel blind hole parts of multiple specifications and types.

[0016] 5. Simple to operate, safe, economical and reliable. Attached Figure Description

[0017] Figure 1 This is an assembly structure view of the present invention.

[0018] Figure 2 This is one of the base views of this utility model.

[0019] Figure 3 This is a second view of the base of this utility model.

[0020] Figure 4 This is one of the schematic diagrams of the liquid supply pipeline of this utility model.

[0021] Figure 5 This is the second schematic diagram of the liquid supply pipeline of this utility model.

[0022] Figure 6 This is a schematic diagram of the liquid spraying device of this utility model.

[0023] The diagram shows: 1. Base, 2. Liquid supply device, 3. Liquid supply pipe, 4. Spraying device, 5. Metal hose, 6. Electrical control cabinet, 7. Steel plate, 8. Double-layer steel, 9. Triple-layer steel, 10. Flange, 11. Reducer, 12. Elbow, 13. Straight pipe, 14. Horizontal liquid main pipe, 15. Distribution riser, 16. Load-bearing stiffener, 17. Central spray nozzle, 18. Stainless steel guide device, 19. Guide nozzle, 20. Annular bottom steel plate, 21. Outer cylinder, 22. Inner cylinder, 23. Annular top steel plate, 24. Guide device. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1As shown, a high-strength steel blind hole strengthening quenching and cooling device includes a base 1, a liquid supply device 2 installed and fixed on the base 1, a liquid supply pipeline 3 connected to the liquid supply device 2, a spraying device 4 installed and fixed on the base 1, a metal hose 5 connecting the riser 15 of the liquid supply pipeline system 3 and the spraying device 4, and an electrical control cabinet 6 connected to the liquid supply device 2 to adjust the liquid supply volume and pressure. The base 1 is made of welded steel profiles and steel plates and is installed in a liquid storage tank. The liquid supply device is a purchased finished product and is installed and fixed on the base 1. The electrical control cabinet is independently installed on the workshop floor and consists of a circuit breaker, a frequency converter, etc. The upper input line of the circuit breaker is connected to the workshop power supply, the lower output line of the circuit breaker is connected to the frequency converter, and the output of the frequency converter is connected to the power line of the liquid supply device. By adjusting the frequency setting value of the frequency converter, the liquid supply volume and pressure of the liquid supply device can be adjusted.

[0026] like Figure 1 , 2 As shown in Figure 3, the base 1 is welded from two layers of steel 8, three layers of steel 9 and steel plate. The steel plate 7 is used to fix the liquid supply device 2, the two layers of steel 8 is used to fix the liquid supply pipeline system 3, and the three layers of steel 9 is used to fix the liquid spraying device 4.

[0027] like Figure 4 , 5 As shown, the liquid supply pipeline 3 includes a flange 10, a reducer 11 connected to the flange 10, an elbow 12 connected to the reducer 11, a straight pipe 13 connected to the elbow 12, a horizontal liquid main 14 connected to the straight pipe 13, two distribution risers 15 connected to both ends of the horizontal liquid main 14 in the vertical direction, a central nozzle 17, a load-bearing rib plate 16 and a stainless steel guide device 18 installed and fixed on the central nozzle 17, and a guide nozzle 19 installed at the head of the central nozzle 17; a steel plate is sealed at the upper end of the distribution riser 15, and multiple liquid outlets are opened along the height direction on each vertical distribution riser 15, with a quick connector welded to one end of the metal hose 5 at each liquid outlet; the pipe wall of the central nozzle 17 has multiple layers of outwardly flared spray holes; the outer diameter of the lower end of the guide nozzle 19 is smaller than the inner diameter of the high-strength steel blind hole component.

[0028] like Figure 6 As shown, the spraying device 4 is a double-layer cylindrical structure, consisting of an annular bottom steel plate 20, an outer cylinder 21, an inner cylinder 22, and an annular top steel plate 23 welded together. Multiple spray holes are opened on the inner cylinder 22, and the spray holes are angled funnel holes facing outward. The outer cylinder 21 is divided into multiple layers, and each layer has two tangentially distributed liquid inlets, which are connected to the other end of the metal hose 5. A guide device 24 is welded to the top of the spraying device, and the guide device 24 is composed of multiple irregularly shaped steel strips. The lower end of the central nozzle 17 is vertically welded to the middle position of the liquid horizontal main pipe 14; the central nozzle is a seamless steel pipe; a guide nozzle 19 is welded to the upper end of the seamless steel pipe; multiple rows and columns of spray holes are drilled in the body of the seamless steel pipe; multiple stainless steel round bars are vertically welded to the outer surface of the seamless steel pipe along the height direction to play a positioning role. The spraying device 4 is welded together from an inner cylinder, an outer cylinder, an annular bottom steel plate, and an annular top steel plate. The inner cylinder 22 has multiple layers of spray holes. The outer cylinder 21 has multiple layers of symmetrically distributed tangential water inlets, each welded with a quick connector, which is connected to the liquid distribution riser 15 via a metal hose 5. When installing the spraying device 4, it must be concentric with the central spray pipe 17. The height of the two liquid distribution risers 15 is the same as that of the spraying device 4, and the upper end of the central spray pipe 17 is a certain size lower than the upper surface of the spraying device 4.

Claims

1. A high-strength steel blind hole strengthening quenching and cooling device, comprising a base (1), a liquid supply device (2) installed and fixed on the base (1), a liquid supply pipe (3) connected to the liquid supply device (2), a liquid spraying device (4) installed and fixed on the base (1), a metal hose (5) connecting the liquid supply pipe (3) and the liquid spraying device (4), and an electrical control cabinet (6) connected to the liquid supply device (2) to realize the adjustment of the liquid supply volume and the liquid supply pressure of the liquid supply device, characterized in that: The liquid supply pipeline (3) includes a flange (10), a reducer (11) connected to the flange (10), an elbow (12) connected to the reducer (11), a straight pipe (13) connected to the elbow (12), a horizontal liquid main (14) connected to the straight pipe (13), two distribution risers (15) connected to both ends of the horizontal liquid main (14) in the vertical direction, and a central nozzle (17), which is installed and fixed on the central nozzle (17). The load-bearing stiffener (16) and stainless steel guide device (18), and guide nozzle (19) installed at the head of the central nozzle (17); a steel plate is sealed at the upper end of the liquid distribution riser (15), and multiple liquid outlets are opened along the height direction on each vertical liquid distribution riser (15), and a quick connector connected to one end of the metal hose (5) is welded on each liquid outlet; the pipe wall of the central nozzle (17) is provided with multiple layers of outwardly funnel-shaped liquid spray holes. The spraying device (4) is a double-layer cylindrical structure, consisting of an annular bottom steel plate (20), an outer cylinder (21), an inner cylinder (22), and an annular top steel plate (23) welded together. Multiple spray holes are opened on the inner cylinder (22), and the spray holes are angled horn holes facing outward. The outer cylinder (21) is divided into multiple layers, and each layer has two tangentially distributed liquid inlets. The other end of the metal hose (5) is connected to the liquid inlet. A guide device (24) is welded to the top of the spraying device. The guide device (24) is composed of multiple irregularly shaped steel strips. Liquid is sprayed onto the outer surface of the high-strength steel blind hole component via the liquid supply device (2), liquid supply pipe (3), metal hose (5), and spray device (4), and liquid is sprayed onto the inner hole of the high-strength steel blind hole component via the liquid supply device (2), liquid supply pipe (3), and central spray pipe (17); thus achieving simultaneous spraying of liquid onto the inner hole and outer surface of the high-strength steel blind hole component to enhance cooling.

2. The high-strength steel blind hole component strengthening quenching and cooling device according to claim 1, characterized in that: The base (1) comprises a multi-layer frame structure consisting of two layers of steel (8), three layers of steel (9) and steel plates welded together. A liquid supply device (2) is fixed on the steel plate (7) in the first layer frame. A liquid horizontal main pipe (14) of the liquid supply pipeline (3) is fixed on the two layers of steel (8) in the second layer frame. A spraying device (4) and a load-bearing stiffener (16) are fixed on the grid-shaped frame consisting of three layers of steel (9) in the third layer frame.

3. The high-strength steel blind-hole part quenching and cooling device according to claim 1, characterized in that: The central nozzle (17) is vertically installed above the midpoint of the horizontal main pipe (14), and the straight pipe (13) is vertically installed below the midpoint of the liquid horizontal main pipe (14).

4. The high-strength steel blind-hole part quenching and cooling device according to claim 1, characterized in that: The stainless steel guide device (18) consists of multiple stainless steel round bars, which are vertically welded to the outer wall of the central nozzle (17).

5. The high-strength steel blind-hole part quenching and cooling device according to claim 1, characterized in that: The guide nozzle (19) has multiple spray holes that are opened outward.

6. The high-strength steel blind-hole part quenching and cooling device according to claim 1, characterized in that: The load-bearing stiffener (16) is welded to the lower part of the central nozzle (17) and welded to the three-layer steel (9) of the base (1).

7. The device for strengthening quenching and cooling of a high-strength steel blind-hole part according to claim 1, characterized in that: The central nozzle (17) and the liquid spraying device (4) are installed concentrically, with the upper end of the central nozzle (17) being lower than the height of the liquid spraying device (4).

8. The device for strengthening quenching and cooling of a high-strength steel blind-hole part according to claim 1, characterized in that: A frequency converter and a circuit breaker are installed in the electrical control cabinet (6).

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